Revert 190584 "Alternate NTP Mac: Show overlay at fixed position"

trunk/src/chrome/browser/ui/cocoa/tab_contents/overlay_separator_view.h

Index: trunk/src/chrome/browser/ui/cocoa/tab_contents/overlay_separator_view.h
===================================================================
--- trunk/src/chrome/browser/ui/cocoa/tab_contents/overlay_separator_view.h	(revision 190730)
+++ trunk/src/chrome/browser/ui/cocoa/tab_contents/overlay_separator_view.h	(working copy)
@@ -1,28 +0,0 @@
-// Copyright 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef CHROME_BROWSER_UI_COCOA_TAB_CONTENTS_OVERLAY_SEPARATOR_VIEW_H_
-#define CHROME_BROWSER_UI_COCOA_TAB_CONTENTS_OVERLAY_SEPARATOR_VIEW_H_
-
-#import <Cocoa/Cocoa.h>
-
-#include "chrome/browser/ui/cocoa/background_gradient_view.h"
-
-// A view used to draw a separator above Instant overlay view.
-@interface OverlayTopSeparatorView : BackgroundGradientView {
-}
-
-+ (CGFloat)preferredHeight;
-
-@end
-
-// A view used to draw a drop shadow beneath the Instant overlay view.
-@interface OverlayBottomSeparatorView : NSView {
-}
-
-+ (CGFloat)preferredHeight;
-
-@end
-
-#endif  // CHROME_BROWSER_UI_COCOA_TAB_CONTENTS_OVERLAY_SEPARATOR_VIEW_H_